Family name Intharapoo (Intharapoo 
) , all over the world, is an extremely rare last name. The surname Intharapoo is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Intharapoo | Thailand |
Arithat, Athiwat, Kunlarat, and Phongthanet